Add clients map
FirDatabase & AirportDatabase changes
Merge branch 'misc/map-engine-review' into feature/contiguous-data-update
FirDatabase update
Merge branch 'misc/map-engine-review' into feature/contiguous-data-update
FirDatabase update
Database structure reorganized
UIRs temporarily disabled
Airport and Fir class wrap records in the databases
Little fixes
Client::update() method added
TODO update
Added timestamp
Added RawClientData struct
TODO: client cleanup
Make Client QObject
Make FlightItems match their pilots
NewClients list in VatsimDataHandler
Removing logged-out clients
Delete FlightItem on Pilot's removal
Optimize MapScene
Add only Departing & Airborne flights to the list
Invalidate model on pilot update
Make AirportDetailsWindow non-singleton part 1
WIP
Unmake AirportDetailsWindow a singleton
Track clients deletion in models
Make windows non-singleton
FlightDetailsWindow
AtcDetailsWindow
Set delete-on-close for all windows
Make AirportItem update when needed